Geodesic
Power sum decompositions of defining equations of reflection arrangements
Journal of Algebraic Combinatorics, Tome 41 (2015) no. 2, pp. 365-383.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

We determine the Waring rank and a Waring decomposition of the fundamental skew invariant of any complex reflection group whose highest degree is a regular number. This includes all irreducible real reflection groups.
Classification : 15A21, 14N15, 14N10, 20F55, 15A63
Keywords: Waring rank, reflection groups, skew invariant, reflection arrangements, quadratic form, binary form 
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     title = {Power sum decompositions of defining equations of reflection arrangements},
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Teitler, Zach; Woo, Alexander. Power sum decompositions of defining equations of reflection arrangements. Journal of Algebraic Combinatorics, Tome 41 (2015) no. 2, pp. 365-383. http://geodesic.mathdoc.fr/item/JAC_2015__41_2_a6/